442555242 has 8 divisors (see below), whose sum is σ = 885110496. Its totient is φ = 147518412.

The previous prime is 442555241. The next prime is 442555291. The reversal of 442555242 is 242555244.

It is a sphenic number, since it is the product of 3 distinct primes.

442555242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (442555241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36879598 + ... + 36879609.

It is an arithmetic number, because the mean of its divisors is an integer number (110638812).

Almost surely, 2^442555242 is an apocalyptic number.

442555242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442555242 is a wasteful number, since it uses less digits than its factorization.

442555242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73759212.

The product of its digits is 64000, while the sum is 33.

The square root of 442555242 is about 21036.9969815086. The cubic root of 442555242 is about 762.0599941742.

The spelling of 442555242 in words is "four hundred forty-two million, five hundred fifty-five thousand, two hundred forty-two".